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Posted to dev@wink.apache.org by "Sven Vollbehr (Created) (JIRA)" <ji...@apache.org> on 2012/01/11 10:20:40 UTC
[jira] [Created] (WINK-357) java.lang.NullPointerException at
org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
java.lang.NullPointerException at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
-------------------------------------------------------------------------------------------------------------
Key: WINK-357
URL: https://issues.apache.org/jira/browse/WINK-357
Project: Wink
Issue Type: Bug
Components: Server
Affects Versions: 1.1.3
Environment: Windows 7 Professional 64-bit, Tomcat 7
Reporter: Sven Vollbehr
Wink gives the following exception when I deploy my application on Tomcat 7:
Jan 11, 2012 11:09:40 AP. org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [RestServlet] in context with path [] threw exception
java.lang.NullPointerException
at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse.getContentLengthValue(HeadMethodHandler.java:100)
at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleResponse(HeadMethodHandler.java:83)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
at org.apache.wink.server.internal.log.Responses.handleResponse(Responses.java:90)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
at org.apache.wink.server.handlers.AbstractHandlersChain.run(AbstractHandlersChain.java:48)
at org.apache.wink.server.internal.RequestProcessor.handleRequestWithoutFaultBarrier(RequestProcessor.java:212)
at org.apache.wink.server.internal.RequestProcessor.handleRequest(RequestProcessor.java:154)
at org.apache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1815)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
It seems that the countingStream is not initialized before the call.
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[jira] [Commented] (WINK-357) java.lang.NullPointerException at
org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
Posted by "Sven Vollbehr (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/WINK-357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186569#comment-13186569 ]
Sven Vollbehr commented on WINK-357:
------------------------------------
Raymond, I have no need for HEAD operations and yet the library assumes I should have one.
I got pass this error by adding @HEAD operation to the last one of my "catch all" resources.
> java.lang.NullPointerException at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
> -------------------------------------------------------------------------------------------------------------
>
> Key: WINK-357
> URL: https://issues.apache.org/jira/browse/WINK-357
> Project: Wink
> Issue Type: Bug
> Components: Server
> Affects Versions: 1.1.3
> Environment: Windows 7 Professional 64-bit, Tomcat 7
> Reporter: Sven Vollbehr
>
> Wink gives the following exception when I deploy my application on Tomcat 7:
> Jan 11, 2012 11:09:40 AP. org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet [RestServlet] in context with path [] threw exception
> java.lang.NullPointerException
> at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse.getContentLengthValue(HeadMethodHandler.java:100)
> at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleResponse(HeadMethodHandler.java:83)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.internal.log.Responses.handleResponse(Responses.java:90)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandlersChain.run(AbstractHandlersChain.java:48)
> at org.apache.wink.server.internal.RequestProcessor.handleRequestWithoutFaultBarrier(RequestProcessor.java:212)
> at org.apache.wink.server.internal.RequestProcessor.handleRequest(RequestProcessor.java:154)
> at org.apache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
> at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1815)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> It seems that the countingStream is not initialized before the call.
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[jira] [Resolved] (WINK-357) java.lang.NullPointerException at
org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
Posted by "Luciano Resende (Resolved) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/WINK-357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Luciano Resende resolved WINK-357.
----------------------------------
Resolution: Cannot Reproduce
Tried with the Asset sample application requesting a HEAD operation in a resource that only had GET defined using Apache Tomcat 7.0.23 and could not reproduce the problem.
If you still have issues, please provide a test case or detailed steps to reproduce.
Thanks
> java.lang.NullPointerException at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
> -------------------------------------------------------------------------------------------------------------
>
> Key: WINK-357
> URL: https://issues.apache.org/jira/browse/WINK-357
> Project: Wink
> Issue Type: Bug
> Components: Server
> Affects Versions: 1.1.3
> Environment: Windows 7 Professional 64-bit, Tomcat 7
> Reporter: Sven Vollbehr
>
> Wink gives the following exception when I deploy my application on Tomcat 7:
> Jan 11, 2012 11:09:40 AP. org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet [RestServlet] in context with path [] threw exception
> java.lang.NullPointerException
> at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse.getContentLengthValue(HeadMethodHandler.java:100)
> at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleResponse(HeadMethodHandler.java:83)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.internal.log.Responses.handleResponse(Responses.java:90)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandlersChain.run(AbstractHandlersChain.java:48)
> at org.apache.wink.server.internal.RequestProcessor.handleRequestWithoutFaultBarrier(RequestProcessor.java:212)
> at org.apache.wink.server.internal.RequestProcessor.handleRequest(RequestProcessor.java:154)
> at org.apache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
> at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1815)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> It seems that the countingStream is not initialized before the call.
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[jira] [Commented] (WINK-357) java.lang.NullPointerException at
org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
Posted by "Sven Vollbehr (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/WINK-357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186535#comment-13186535 ]
Sven Vollbehr commented on WINK-357:
------------------------------------
I have deployed the WAR to ROOT in Tomcat and I have one resource with Path /*. In the logs I get the following even when I don't get the exception.
January 15, 2012 6:49:42 IP. org.apache.wink.server.internal.registry.ResourceRegistry filterDispatchMethods
INFO: The system cannot find any method in the mypackage.MyResource class that supports HEAD. Verify that a method exists.
Hope this helps
> java.lang.NullPointerException at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
> -------------------------------------------------------------------------------------------------------------
>
> Key: WINK-357
> URL: https://issues.apache.org/jira/browse/WINK-357
> Project: Wink
> Issue Type: Bug
> Components: Server
> Affects Versions: 1.1.3
> Environment: Windows 7 Professional 64-bit, Tomcat 7
> Reporter: Sven Vollbehr
>
> Wink gives the following exception when I deploy my application on Tomcat 7:
> Jan 11, 2012 11:09:40 AP. org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet [RestServlet] in context with path [] threw exception
> java.lang.NullPointerException
> at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse.getContentLengthValue(HeadMethodHandler.java:100)
> at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleResponse(HeadMethodHandler.java:83)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.internal.log.Responses.handleResponse(Responses.java:90)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandlersChain.run(AbstractHandlersChain.java:48)
> at org.apache.wink.server.internal.RequestProcessor.handleRequestWithoutFaultBarrier(RequestProcessor.java:212)
> at org.apache.wink.server.internal.RequestProcessor.handleRequest(RequestProcessor.java:154)
> at org.apache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
> at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1815)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> It seems that the countingStream is not initialized before the call.
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[jira] [Commented] (WINK-357) java.lang.NullPointerException at
org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
Posted by "Raymond Feng (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/WINK-357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186545#comment-13186545 ]
Raymond Feng commented on WINK-357:
-----------------------------------
To expose a resource to HEAD operation, you will have to annotate the resource method with @HEAD.
> java.lang.NullPointerException at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse
> -------------------------------------------------------------------------------------------------------------
>
> Key: WINK-357
> URL: https://issues.apache.org/jira/browse/WINK-357
> Project: Wink
> Issue Type: Bug
> Components: Server
> Affects Versions: 1.1.3
> Environment: Windows 7 Professional 64-bit, Tomcat 7
> Reporter: Sven Vollbehr
>
> Wink gives the following exception when I deploy my application on Tomcat 7:
> Jan 11, 2012 11:09:40 AP. org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet [RestServlet] in context with path [] threw exception
> java.lang.NullPointerException
> at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse.getContentLengthValue(HeadMethodHandler.java:100)
> at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleResponse(HeadMethodHandler.java:83)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandler.handleResponse(AbstractHandler.java:39)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.internal.log.Responses.handleResponse(Responses.java:90)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
> at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)
> at org.apache.wink.server.handlers.AbstractHandlersChain.run(AbstractHandlersChain.java:48)
> at org.apache.wink.server.internal.RequestProcessor.handleRequestWithoutFaultBarrier(RequestProcessor.java:212)
> at org.apache.wink.server.internal.RequestProcessor.handleRequest(RequestProcessor.java:154)
> at org.apache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
> at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1815)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> It seems that the countingStream is not initialized before the call.
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